package TCP.TCP2;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Scanner;
public class TcpEchoClient {
    private Socket socket = null;
    //将客户端于服务器绑定
    public TcpEchoClient(String serverIp, int port) throws IOException {
        socket = new Socket(serverIp, port);
    }
    //启动客户端
    public void start() {
        Scanner in = new Scanner(System.in);
        try(InputStream inputStream = socket.getInputStream();
            OutputStream outputStream = socket.getOutputStream()) {
            PrintWriter printWriter = new PrintWriter(outputStream);
            Scanner input = new Scanner(inputStream);
            while(true) {
                //1.从控制台输入请求
                System.out.print("->");
                String request = in.next();
                //2.将请求发送给服务器
                printWriter.println(request);
                //刷新缓冲区
                printWriter.flush();
                //3.接收服务器响应
                String response = input.next();
                //4.打印响应
                System.out.println(response);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    public static void main(String[] args) throws IOException {
        TcpEchoClient client = new TcpEchoClient("127.0.0.1", 9090);
        client.start();
    }
}
